Controllable synthesis of spindle-like ZnO nanostructures by a simple low-temperature aqueous solution route
Controllable synthesis of spindle-like ZnO nanostructures by a simple low-temperature aqueous solution route
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通过简单的低温水溶液路线可控合成纺锤状ZnO纳米结构
DOI：
10.1016/j.apsusc.2010.12.115
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发表时间：
2011-02
影响因子：
6.7
通讯作者：
Yu, Xiu-jun
中科院分区：
文献类型：
--
作者：
Zhang, Rui;Zhang, Li-wei;Xu, Hong-liang;De Liang Chen;Lu, Hong-xia;Wang, Hai-long;Yang, Dao-yuan;Zhao, Yun-long;Yu, Xiu-jun
通过在60℃下直接沉淀醋酸锌水溶液，成功合成了纺锤状ZnO纳米结构。通过X射线衍射、TG-DTA、FTIR和场发射扫描电子显微镜(FESEM)研究了产物的相结构、形貌和微观结构。结果表明，得到了直径约100nm、长度100-200nm的六方纤锌矿结构ZnO纳米结构。 HMTA在此过程中充当软模板，在纺锤状ZnO纳米结构的形成中发挥了重要作用。同时，通过改变合成温度、添加剂和Zn2+/OH-的比例也获得了不同的形貌。本文还讨论了形貌随合成参数变化的可能机制。
Spindle-like ZnO nanostructures were successfully synthesized through direct precipitation of zinc acetate aqueous solution at 60°C. Phase structure, morphology and microstructure of the products were investigated by X-ray diffraction, TG-DTA, FTIR and field emission scanning electron microscopy (FESEM). Result showed that hexagonal wurtzite structure ZnO nanostructures with about 100nm in diameter and 100–200nm in length were obtained. HMTA acted as a soft template in the process and played an important role in the formation of spindle-like ZnO nanostructures. Meanwhile, different morphologies were also obtained by altering synthetic temperature, additional agents and the ratios of Zn2+/OH−. Possible mechanism for the variations of morphology with synthesis parameters was also discussed in this paper.
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